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AMS1505CTV-285 Datasheet(PDF) 3 Page - Advanced Monolithic Systems |
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AMS1505CTV-285 Datasheet(HTML) 3 Page - Advanced Monolithic Systems |
3 / 8 page Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 AMS1505V ELECTRICAL CHARACTERISTICS Electrical Characteristics at IOUT = 0 mA, and TJ = +25°C unless otherwise specified. Parameter Device Conditions Min Typ Max Units Dropout Voltage Note 2 Control Dropout (VCONTROL - VOUT) AMS1505V/-1.5/-2.5/ -2.85/-3.0/-3.3/-3.5/-5.0 VPOWER =VOUT + 0.8V, ILOAD = 10mA VPOWER =VOUT + 0.8V, ILOAD = 5A 1.00 1.15 1.20 1.30 V V Power Dropout (VPOWER - VOUT) AMS1505V/-1.5/-2.5/ -2.85/-3.0/-3.3/-3.5/-5.0 VCONTROL =VOUT + 2.5V, ILOAD = 3A VCONTROL =VOUT + 2.5V, ILOAD = 5A 175 300 200 350 mV mV Parameters identified with boldface type apply over the full operating temperature range. Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and test conditions, see the Electrical Characteristics . The guaranteed specifications apply only for the test conditions listed. Note 2: Unless otherwise specified VOUT = VSENSE. For the adjustable device VADJ = 0V. Note 3: The dropout voltage for the AMS1505V is caused by either minimum control voltage or minimum power voltage. The specifications represent the minimum input/output voltage required to maintain within 1% regulation. Note 4: For the adjustable device the minimum load current is the minimum current required to maintain regulation. Normally the current in the resistor divider used to set the output voltage is selected to meet the minimum load current requirement. Note 5: The control pin current is the drive current required for the output transistor. This current will track output current with a ratio of about 1:100. The minimum value is equal to the quiescent current of the device. PIN FUNCTIONS Sense (Pin 1): This pin is the positive side of the reference voltage for the device. With this pin it is possible to Kelvin sense the output voltage at the load. Adjust/Ground (Pin 2): This pin is the negative side of the reference voltage for the device. Adding a small bypass capacitor from the Adjust pin to ground improves the transient response. Output (Pin 3): This is the power output of the device. VCONTROL (Pin 4): This pin is the supply pin for the control circuitry of the device. The current flow into this pin will be about 1% of the output current. The voltage at this pin must be 1.3V or greater than the output voltage for the device to regulate. VPOWER (Pin 5): This pin is the collector to the power device of the AMS1505V. The output load current is supplied through this pin. The voltage at this pin must be between 0.1V and 0.35V greater than the output voltage for the device to regulate. |
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